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. 2023 Sep 18;11:1261048. doi: 10.3389/fcell.2023.1261048

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Copyright © 2023 Ptashnik, LaMassa, Mambetalieva, Schnall, Bucaro and Phillips.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Ubiquitination of the γA3 stub is associated with intracellular trafficking. (A) γA3-GFP stub puncta colocalize with ubiquitin-RFP (top, arrowheads) while γA3 stub Δ183 (bottom) exhibits less colocalization with ubiquitin-RFP as quantified in (B) (C) γA3 stub GFP immunoprecipitates probed with anti-ubiquitin exhibit a high molecular weight smear that was not present in immunoprecipitates of γA3 stub Δ183 (left). Probing with anti-GFP reveals the equivalent expression levels of γA3 stub and γA3 stub Δ183 (right). ***p <0.001.